393rd Avenue over Elm River
Good Condition30 years old158 vehicles/day
Location
| State | South Dakota |
| County | Brown |
| Location | 3.6s & 3w Of Columbia |
| Carries | 393rd Avenue |
| Crosses | Elm River |
| Coordinates | 45.55850, -98.37156 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 88.6 ft (27 m) |
| Max Span | 33.1 ft (10.1 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 253.8 sq m |
| Main Spans | 3 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 158 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000007170261 |